57123404578 has 8 divisors (see below), whose sum is σ = 89410546368. Its totient is φ = 27319889124.

The previous prime is 57123404551. The next prime is 57123404599. The reversal of 57123404578 is 87540432175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 1241813143 = 57123404578 / (5 + 7 + 1 + 2 + 3 + 4 + 0 + 4 + 5 + 7 + 8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620906526 + ... + 620906617.

It is an arithmetic number, because the mean of its divisors is an integer number (11176318296).

Almost surely, 2^57123404578 is an apocalyptic number.

57123404578 is a deficient number, since it is larger than the sum of its proper divisors (32287141790).

57123404578 is a wasteful number, since it uses less digits than its factorization.

57123404578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241813168.

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 57123404578 in words is "fifty-seven billion, one hundred twenty-three million, four hundred four thousand, five hundred seventy-eight".